---
title: Fastly Terraform Provider 4.0.0
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2023/03/terraform-provider-fastly-4.0.0
---

View this release on [GitHub](https://github.com/fastly/terraform-provider-fastly/releases/tag/v4.0.0).

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## Breaking changes

Only one minor breaking interface change has been made: the removal of the `auto_loadbalance` attribute from the `backend` block, which is still supported for the `fastly_service_vcl` resource but was never actually supported under the `fastly_service_compute` resource.

- fix(backend): remove `auto_loadbalance` from compute service [#657](https://github.com/fastly/terraform-provider-fastly/pull/657)

## Bug fixes

- fix: add missing format attribute when updating [#659](https://github.com/fastly/terraform-provider-fastly/pull/659)

## Enhancements

- Enable the declaration of the keepalive_time backend attribute [#658](https://github.com/fastly/terraform-provider-fastly/pull/658)